326561041 has 9 divisors (see below), whose sum is σ = 347227131. Its totient is φ = 307062432.

The previous prime is 326561033. The next prime is 326561063. The reversal of 326561041 is 140165623.

The square root of 326561041 is 18071.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 254243025 + 72318016 = 15945^2 + 8504^2 .

It is not a de Polignac number, because 326561041 - 2³ = 326561033 is a prime.

It is a super-2 number, since 2×326561041² = 213284226998007362, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (326561071) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 306676 + ... + 307738.

Almost surely, 2^326561041 is an apocalyptic number.

326561041 is the 18071-st square number.

326561041 is the 9036-th centered octagonal number.

It is an amenable number.

326561041 is a deficient number, since it is larger than the sum of its proper divisors (20666090).

326561041 is an frugal number, since it uses more digits than its factorization.

326561041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 1080 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The cubic root of 326561041 is about 688.6334649559.

The spelling of 326561041 in words is "three hundred twenty-six million, five hundred sixty-one thousand, forty-one".